What types of electrical work does Part P of the Electrical Regulations apply to?
Part P applies to the following types of electrical work:
in a dwelling;
in the common parts of buildings serving one or more dwellings, but excluding power supplies to lifts;
in a building that receives electricity from a source located within or shared with a dwelling; and
in a garden or in/on land associated with a building where the electricity supply is from a source located within or shared with a dwelling.
The term 'dwelling' includes house, maisonettes and flats. It also applies to electrical installations in business premises that share an electricity supply with dwellings such as shops and public houses with a flat above.
The 'common parts' of buildings includes access areas in blocks of flats such as hallways and shared amenities in blocks of flats such as laundries and gymnasiums.
Part P applies to parts of electrical installations located on land around dwellings such as garden lighting. It also applies to electrical installations that operate at voltages not exceeding 1000v AC.
Notifiable work includes new installations, house re-wires and the installation of new circuits. It also includes additions to existing circuits in kitchens, bathrooms, outdoors and in other special locations.